Home / 762,952,723.88-1,142,896,776.12-347,858,551.98

Finding the Fourth Proportional to 762,952,723.88, 1,142,896,776.12 and 347,858,551.98

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Solution

The fourth proportional to 762,952,723.88, 1,142,896,776.12 and 347,858,551.98 is: 521,089,190.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,952,723.88 : 1,142,896,776.12 = 347,858,551.98 : x
  2. Step 2: Convert to fraction form
    762,952,723.88/1,142,896,776.12 = 347,858,551.98/x
  3. Step 3: Cross multiply
    762,952,723.88x = 1,142,896,776.12 × 347,858,551.98
  4. Step 4: Simplify right side
    762,952,723.88x = 397,566,417,603,713,408
  5. Step 5: Solve for x
    x = 397,566,417,603,713,408/762,952,723.88
  6. Step 6: Final answer
    x = 521,089,190.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.